You know the scenario - you're in class or a meeting and you raise your hand to ask that all important question that will get you the answer you've been waiting for. Unfortunately, it's not quite that simple.
You're unable to raise your hand because you know the second your do, your armpit perspiration stains will reveal just how gross your perspiration problem is. It's not a fun scenario at all.
I talk a little bit about how to overcome this problem here. But, if you're still nervous and unsure about whether or not stopping the sweat is even possible - watch this video until the end.